In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange which can be obtained without authentication. An unauthenticated attacker can deduce the secure key and obtain admin credentials.
This issue was fixed in versions below:
- IPx series: version 6.61.0040
- CCT-1668: version 6.56.0430
- MAC-6400: version 6.56.0430
- CXS-0424: version 6.30.0510
The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:
- CCT-1668 (CCT1CPU)
- MAC-6400
- CXS-0424
These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://cert.pl/posts/2026/05/CVE-2026-35087 |
|
History
Wed, 27 May 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange which can be obtained without authentication. An unauthenticated attacker can deduce the secure key and obtain admin credentials. This issue was fixed in versions below: - IPx series: version 6.61.0040 - CCT-1668: version 6.56.0430 - MAC-6400: version 6.56.0430 - CXS-0424: version 6.30.0510 The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below: - CCT-1668 (CCT1CPU) - MAC-6400 - CXS-0424 These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading. | |
| Title | Use of Weak Credentials in Slican telephone exchanges | |
| Weaknesses | CWE-1391 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: CERT-PL
Published:
Updated: 2026-05-27T12:42:19.741Z
Reserved: 2026-04-01T11:23:16.118Z
Link: CVE-2026-35089
No data.
Status : Received
Published: 2026-05-27T14:16:44.847
Modified: 2026-05-27T14:16:44.847
Link: CVE-2026-35089
No data.
OpenCVE Enrichment
No data.